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@article{CM_1973__27_2_223_0, author = {Ronga, F.}, title = {{\guillemotleft} {La} classe duale aux points doubles {\guillemotright} d'une application}, journal = {Compositio Mathematica}, pages = {223--232}, publisher = {Noordhoff International Publishing}, volume = {27}, number = {2}, year = {1973}, mrnumber = {391114}, zbl = {0271.57009}, language = {fr}, url = {http://geodesic.mathdoc.fr/item/CM_1973__27_2_223_0/} }
Ronga, F. « La classe duale aux points doubles » d'une application. Compositio Mathematica, Tome 27 (1973) no. 2, pp. 223-232. http://geodesic.mathdoc.fr/item/CM_1973__27_2_223_0/